diff options
-rw-r--r-- | apt-pkg/algorithms.cc | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/apt-pkg/algorithms.cc b/apt-pkg/algorithms.cc index 260a8ac41..4c267c91c 100644 --- a/apt-pkg/algorithms.cc +++ b/apt-pkg/algorithms.cc @@ -1606,7 +1606,12 @@ std::string GetProtectedKernelsRegex(pkgCache *cache, bool ReturnRemove) } } - auto re = ss.str().substr(1); + auto re_with_leading_or = ss.str(); + + if (re_with_leading_or.empty()) + return ""; + + auto re = re_with_leading_or.substr(1); if (Debug) std::clog << "Kernel protection regex: " << re << "\n"; |